A Treatise on Civil EngineeringJ. Wiley & Son, 1873 - 513 pages |
From inside the book
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Page x
... Ordinary Roof Truss .. 695. An Iron Roof Truss 696. Roof of a Gas - House . 393 393 393 394 394 394 396 397 697. An Example of Trussing .. 398 698. Depot Roof Truss .. 399 699. Roof of a Rolling Mill . 400 700. Truss of the State ...
... Ordinary Roof Truss .. 695. An Iron Roof Truss 696. Roof of a Gas - House . 393 393 393 394 394 394 396 397 697. An Example of Trussing .. 398 698. Depot Roof Truss .. 399 699. Roof of a Rolling Mill . 400 700. Truss of the State ...
Page 3
... ordinary durability under the various circum- stances in which they are employed , and the means of in- creasing it when desirable . 2d . Their capacity to sustain , without injury to their physical qualities , permanent strains ...
... ordinary durability under the various circum- stances in which they are employed , and the means of in- creasing it when desirable . 2d . Their capacity to sustain , without injury to their physical qualities , permanent strains ...
Page 5
... ordinary color , when dry , is some shade of brown ; but , when wet , it becomes greenish , from which it takes its name . Green- stone is very hard , and one of the most durable rocks ; but , occurring in small and irregular blocks ...
... ordinary color , when dry , is some shade of brown ; but , when wet , it becomes greenish , from which it takes its name . Green- stone is very hard , and one of the most durable rocks ; but , occurring in small and irregular blocks ...
Page 9
... ordinary build- ing stone , most of the ornamental stones , and the chief in- gredient in the composition of the cements and mortars used in stone and brick work . Limestone effervesces copiously with acids ; its texture is destroyed by ...
... ordinary build- ing stone , most of the ornamental stones , and the chief in- gredient in the composition of the cements and mortars used in stone and brick work . Limestone effervesces copiously with acids ; its texture is destroyed by ...
Page 13
... ordinary circumstances of exposure to weather ; its capacity to sustain , without change , high degrees of tem- perature ; and its resistance to the destructive action of fresh and salt water . The wear of stone from ordinary exposure ...
... ordinary circumstances of exposure to weather ; its capacity to sustain , without change , high degrees of tem- perature ; and its resistance to the destructive action of fresh and salt water . The wear of stone from ordinary exposure ...
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Common terms and phrases
abutments action arch arranged artificial axis bars beam béton blocks bolts bottom breaking strain brick bridge caisson calcined carbonic carbonic acid cast iron centre chains chord clay common lime compression concrete connected construction cross curved cylinder deflection depth diagonal diameter durability embankment engineer experiments exterior feet flanch foundation fracture give hard heat Hodgkinson horizontal hot blast hydraulic cement hydraulic lime immersion joints kiln laid layer length limestones lower magnesia masonry mastic material ments metal mortar ordinary pieces piers pillars placed plates portion Portland cement pressure proportion puzzolana rails resistance ribs roadway Roman cement sand sheeting piles side slaked sleepers soffit soil solid span specific gravity spikes square inch steel strength structure struts suitable surface tensile tensile strength termed thickness timber tion transverse strain truss tube upper usually vertical voussoirs wall weight wire wrought iron yield
Popular passages
Page 136 - ... elasticity ; and judging from its slow increase afterwards, I was persuaded that it had not come on by a sudden change, but had existed, though in a less degree, from a very early period.
Page 419 - ... long. The fascines are laid in alternate layers crosswise and lengthwise, and the layers are either connected by pickets, or else the withes, with which the fascines are bound, are cut to allow the brushwood to form a uniform and compact bed. This method of securing a good bed for structures on a weak wet soil has been long practised in Holland, and experience has fully tested its excellence.
Page 175 - For the coping and top courses of a wall, the same objections do not apply to excess in length : but this excess may, on the contrary, prove favorable ; because the number of top joints being thus diminished, the mass beneath the coping will be better protected, being exposed only at the joints, which cannot be made water-tight, owing to the mortar being crushed by the expansion of the blocks in warm weather, and, when they contract, being washed out by the rain.